They had fresher breathe because their breathe may have been bad before.
Answer:
They are different ions of the same element.
Explanation:
on Quizlet
The mass of stars affect how they end.
Stars with greater mass sometimes end with supernovas, a giant explosion, which can result in black holes or neutron stars, or sometimes nothing.
A medium sized star can result in a planetary nebula, which then results in a white dwarf.
Haha hope this sorta helped :)